EP2298401B1 - Headgear for a breathing mask - Google Patents

Headgear for a breathing mask Download PDF

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Publication number
EP2298401B1
EP2298401B1 EP10183627.8A EP10183627A EP2298401B1 EP 2298401 B1 EP2298401 B1 EP 2298401B1 EP 10183627 A EP10183627 A EP 10183627A EP 2298401 B1 EP2298401 B1 EP 2298401B1
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EP
European Patent Office
Prior art keywords
portion
lower
straps
headgear
back portion
Prior art date
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Active
Application number
EP10183627.8A
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German (de)
French (fr)
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EP2298401A2 (en
EP2298401A3 (en
Inventor
Amal Shirley Amarasinghe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ResMed Pty Ltd
Original Assignee
ResMed Pty Ltd
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Filing date
Publication date
Family has litigation
Priority to US25453700P priority Critical
Application filed by ResMed Pty Ltd filed Critical ResMed Pty Ltd
Priority to EP01270356.7A priority patent/EP1349602B1/en
Publication of EP2298401A2 publication Critical patent/EP2298401A2/en
Publication of EP2298401A3 publication Critical patent/EP2298401A3/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22964661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2298401(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of EP2298401B1 publication Critical patent/EP2298401B1/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0683Holding devices therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0605Means for improving the adaptation of the mask to the patient
    • A61M16/0633Means for improving the adaptation of the mask to the patient with forehead support
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816Joints or connectors
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084Means for fastening gas-masks to heads or helmets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0213Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
    • A61M2025/022Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body specifically adapted for the mouth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0253Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives
    • A61M2025/026Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives where the straps are releasably secured, e.g. by hook and loop-type fastening devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/02General characteristics of the apparatus characterised by a particular materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • Y10T428/24017Hook or barb

Description

    BACKGROUND OF THE INVENTION Field of the invention
  • The invention relates to headgear for use with a mask suitable for the delivery of non-invasive positive pressure ventilation and for nasal CPAP treatment of sleep disordered breathing conditions such as obstructive sleep apnea.
  • Description of related art
  • Obstructive Sleep Apnea (OSA) is a disease characterised by excessive daytime sleepiness, loud snoring and daytime irritability. Other effects of OSA can include depression, high blood pressure, serious heart conditions, sexual problems, memory lapses, intellectual deterioration and morning headaches.
  • The treatment of OSA by the application of nasal Continuous Positive Airway Pressure (CPAP) was invented by Sullivan and is described in US Patent No. 4,944,310 (Sullivan , assigned to ResMed Limited). The technique involves the application of a flow of pressurised breathable gas (typically room air) to either the nose or nose and mouth of a patient while they sleep. The technique is said to "splint" open the airways. Typical treatment pressures are in the range of 3 to 20 cmH2O. Flows are up to approximately 200 L/min. The flow of pressurised air is produced by a blower and delivered to the patient via a patient interface. The blower and patient interface are joined by a conduit, Whilst there are other techniques for the treatment of OSA, such as surgery, the use of CPAP has become the "gold" standard.
  • For a particular patient, the pressure which is needed to maintain open airways can vary throughout the night and vary on different nights. US Patent No. 5,245,995 (Sullivan and Lynch , assigned to ResMed Limited) describes a method and device for varying the pressure in accordance with indications. For example, if the patient starts to snore, the pressure automatically increases, whilst in the absence of snoring, the pressure automatically decreases.
  • Non-Invasive Positive Pressure Ventilation (NIPPV) is another form of treatment for breathing disorders. In its most basic form, it involves a relatively higher pressure of gas being provided in the patient mask during the inspiratory phase of respiration and a relatively lower pressure or atmospheric pressure being provided in the patient mask during the expiratory phase of respiration. Typical treatment pressures are in the range of 3 to 30 cmH2O.
  • In other NIPPV modes, the pressure can be made to vary in a complex manner throughout the respiratory cycle. For example, the pressure at the mask during inspiration or expiration can be varied through the period of treatment, as disclosed in international PCT patent application no. PCT/AU97/00631 (Berthon-Jones , assigned to ResMed Limited).
  • In this specification, any reference to CPAP is to be understood as embracing all of the above-described forms of ventilatory treatment or assistance.
  • One of the earliest patient interfaces for providing CPAP treatment was constructed to include a fibreglass model of the patient's nose. The model was adhered to the patient's nose each night and removed each morning. An advantage of this patient interface included the customised fit, which assisted in a good seal between the patient interface and the patient's airways. However, the use of adhesive to secure the mask was inconvenient and not desirable.
  • Another suitable patient interface is described in US Patent No. 5,243,971 (Sullivan and Bruderer , assigned to the University of Sydney), entitled "Nasal Mask for CPAP having Ballooning/Moulding Seal with Wearer's Nose and Facial Contours". This patent describes a nasal mask with a soft face-contacting portion, and a rigid shell. The mask is held in position using headgear. The headgear is attached to the mask and passes around the back of the wearer's head. The patent depicts two sets of straps in the headgear. The first set comprised a pair of straps passing from the forehead region to the back of the head. The second set comprised a pair of straps passing from the nasal region of the mask to the back of the head.
  • US 5,542,128 describes a hood or cap for a face mask, wherein straps are provided to connect the hood to the face mask for correctly positioning the mask to the wearer. WO 98/48878 relates to a fixing device to place a mask to the wearer's face with a securing strap. Likewise, WO 96/25983 discloses straps to secure a face mask to the wearer's head by fastening them in a frame.
  • Another known patient interface is the MIRAGE® nasal mask (by ResMed Ltd). This nasal mask includes a pair of headgear attachment points in the nasal region of the mask shell and a forehead support that includes another pair of headgear attachment points. The headgear includes a single piece of a soft, flexible composite fabric with a generally triangular back portion and four straps. The four straps include a pair of upper straps and a pair of lower straps connecting to the headgear attachment points on the forehead support and nasal mask shell respectively. At the end of each strap is secured a piece of hook material, which, in use, passes through a headgear attachment point and fastens on corresponding loop material on the strap. The generally triangular back portion engages the skull in the region of the occiput. The fabric stretches under a load. The base of the triangle is positioned near and generally in line with the upper straps. Each strap is approximately 2 cm wide and approximately 3 mm thick. The fabric is a composite of three layers. The inner layer, closest to the patient's head, is made from nylon. The middle layer is made from neoprene. The outer layer is made from loop material, suitable for engaging with hook fastening material such as Velcro. The upper straps have an approximate length of 19 cm, from the end to the closest corner of the triangle, whilst the lower straps have an approximate length of 26 cm. Including the triangle, the upper and lower straps each have an approximate total length of 60.5 cm. The triangular back portion is an approximate isosceles triangle, with a base of approximately 13.5 cm and sides of approximately 9cm.
  • Some patients open their mouths during sleep, which means that they may not receive the benefit of CPAP due to mouth leaks. Various solutions have been proposed for this problem. One solution is taught in US Patent No. 6,123,082 (Berthon-Jones , assigned to ResMed Limited), whereby the lips are held closed. Another solution is to use a mask that covers both the nose and mouth of the patient. An example of a mouth and nasal mask is described in US Patent No. 5,560,354 (Berthon-Jones, Calluaud, Lynch & Hely , assigned to ResMed Limited).
  • Another suitable mask system is the MIRAGE® full-face mask (by assignee ResMed Limited). The MIRAGE® full-face mask and headgear is illustrated in Fig 1,2 and 3. Suitable headgear (102) for this mask (100) is constructed from a composite material of nylon, neoprene and loop material. The headgear similarly comprises a pair of upper (104) and a pair of lower straps (106) and a generally triangular back portion (108). The upper strap has a total length of approximately 610 mm as shown in Fig. 3. The straps have an approximate width of 25 mm, however, the upper strap has an approximate width of 19 mm. The triangular region has a base of approximately 15.5 cm and two equal sides of approximately 11 cm. The upper and lower straps are approximately 192 mm apart. In addition, the headgear includes a quick release mechanism (110), as described in the pending U.S. Patent Application No. 09/482,718 (Lithgow , assigned to ResMed Limited), The quick release mechanism provides a "rip-chord" that can be pulled upon to separate the headgear and remove the mask in an emergency. When the headgear is positioned on the patient's head, the quick-release mechanism is situated at the back of the head and the chord runs through loops towards the front of the mask system. Patient interface arrangements include nasal masks, nose and mouth masks, nasal prongs and nasal pillows. In all forms of patient interface used with CPAP for treating sleep disordered breathing, there is a need to counterbalance the force of the pressurised air and to correctly position the interface. Since the patient must sleep with this interface, it is important that it be comfortable. From the manufacturing and distribution channel perspectives, it is advantageous if one size of headgear fits a large range of head shapes and sizes.
  • It should be noted that while there are many mask and headgear arrangements available for ventilators, respirators, aviator masks and other breathing apparatus, in general, these may not be suitable for use in the treatment of sleep disordered breathing because they are not sufficiently comfortable to allow the patient to sleep.
  • The present invention is directed towards providing headgear for holding and securing a mask for use in the treatment of sleep disordered breathing which improves patient comfort, is long lasting and fits a wide range of head shapes and sizes.
  • SUMMARY OF THE INVENTION
  • The above objects are achieved by the subject-matter of the claims.
  • The invention provides headgear for securing and positioning a mask suitable for the treatment of sleep disordered breathing. The following advantageous combination of features may be provided.
  1. (i) Constructed from a composite including polyurethane foam
  2. (ii) Relatively narrow strap ends,
  3. (iii) Displaced lower strap,
  4. (iv) A quick release mechanism near the front of the face; and
  5. (v) Additional attached components to alter the elasticity and stiffness of the straps.
BRIEF DESCRIPTION OF THE DRAWINGS
    • Fig 1 shows a front three-quarter view of a MIRAGE® full-face mask and prior art headgear system in position on a patient's head.
    • Fig. 2 shows a rear three-quarter view of a MIRAGE® full-face mask and prior art headgear system on a patient's head.
    • Fig. 3 shows a view of prior art full-face mask headgear laid flat.
    • Fig. 4 shows a view of headgear according to an embodiment of the present invention.
    • Fig. 5 shows a view of the quick release mechanism according to the present invention.
    • Fig. 6 shows a view of mask headgear straps in accordance with the present invention laid flat.
    DETAILED DESCRIPTION OF THE INVENTION
  • The invention provides headgear (10) for securing and positioning a mask suitable for the treatment of sleep disordered breathing.
  • (i) Material
  • The headgear is constructed from a composite of polyurethane foam, loop material and hook material whose shape includes a pair of upper straps (20) and lower straps (30) and a generally triangular back portion (40). A piece of hook material (22) is attached to the end of each of the four straps so that the straps may be secured to the attachment points on the mask.
  • The composite has three layers. The first layer, which in use is positioned against the head of the patient, is constructed from polyester/nylon fabric. The second, middle layer is constructed from an hypoallergenic breathable polyurethane foam. The third layer is constructed from loop material. A suitable material for constructing the composite is BREATH-A-PRENE® manufactured by ACCUMED, New York, United States of America. The total thickness of the composite is approximately 2 mm. The upper and lower pairs of straps are approximately 150 mm apart when laid flat. The upper and lower straps have an approximate total length (from the left side to the right side) of 610 mm.
  • The generally triangular back portion (40) of the headgear (10) is constructed and arranged to engage generally with the occiput of the patient's head in use. In use, the base of the triangle is positioned at the crown of the head, while the apex of the triangle lies generally just above the point of contact between the skull and the muscles of the neck.
  • (ii) Relatively narrow strap ends
  • The headgear of the present invention is configured to minimize the discomfort associated with the use of hook material. In prior art headgear, that discomfort can arise where the hook material may be in contact with the patient's skin, say the cheek or neck regions, for extended periods of time. That undesirable contact will occur where the hook material, to some extent is not entirely located on the receiving loop material, but lies tangential to the loop material, and to some extent extends beyond the loop material and comes in contact with the patient's skin, either continuously while the headgear is in use or when it is compressed against the skin, as can occur when the patient head changes position during the sleep period.
  • As shown in Fig. 4, the width of each lower strap is constant for approximately half their length, forming a relatively wide portion (24), and then over a relatively short distance, changes to a narrower width for the remaining half of their length, forming a relatively narrow portion (26), terminating at the point where the hook material (22) is joined to the composite material. A characteristic of this configuration is that the point of contact where the hook material detachably binds with the strap loop material is positioned on the wide portion (24) and is wider by approximately 1 cm than the width of the engaging hook material. By adopting this configuration, the target region for binding is relatively greater in area than is the case with prior art. Prior art headgear includes a tapered end hook section that is of narrower width than that of the intended contact loop section of the strap. However, the prior art hook section tapered end is less than one half the length of the hook section, that is, it does not represent the majority of the length of the hook section nor does its length represent the majority of the length of the intended corresponding contact loop section (i.e., the maximum extent of the loop section covered by the hook section).
  • In contrast to the prior art, with the present invention the attachment of the hook material is facilitated, as relatively less precision is required in the placement of the hook section to achieve binding. This reduced dependence on precision is of advantage to all persons using the headgear and is of particular benefit to the user that may be trying to fit the headgear in a home environment and where it is not possible to directly sight the headgear components they are manipulating. Furthermore, compared to the prior art (where the hook material and the target region are of substantially the same width), this configuration reduces the chance of exposing some of the hook material to interfere with the wearer, causing discomfort and possibly skin irritation or abrasion.
  • (iii) Displaced lower strap
  • A length of each of the left and right lower straps is displaced vertically lower by approximately 1 cm (28). By adopting this configuration, it is possible to optimize the design of the base of the back portion so as to achieve the desired security of attachment but avoid compromising comfort in a situation where the lowest point of the headgear in the occiput region is extended to a position that is lower than is otherwise required in order to achieve a sufficiently lowest strap point. This approach avoids the prior art problem of having the headgear rear portion extending beyond what would otherwise be required and thereby engaging the sensitive area below the occipital lobe.
  • (iv) Quick release mechanism
  • Preferably the headgear of the present invention includes a quick release mechanism (50) (see Fig. 5), and this is especially so when the headgear is intended to be used with a mask that covers the patient's nose and mouth.
  • The quick-release mechanism (50) suitable for incorporation into the preferred embodiment is constructed from a sub-assembly of three components: (i) a release loop of a cord material (52), (ii) a generally rectangular length of hook material (54), and (iii) a generally rectangular length of a composite fabric (56) which can bind to the hook material, as discussed above. The sub-assembly is generally rectangular in shape and in use forms an extension of one of the lower straps. Preferably the loop cord is constructed from braided cord about 17 cm long. The cord loop (52) is sewn to one end of the length of hook material (54). The hook material (54) and composite fabric (56) are joined at the other end of the hook material (54), preferably via a weld joint. In use, the end of the hook material (54), to which is connected the loop cord(52), is secured, using the hook and loop mechanism, to the end of a modified lower strap which, in contrast to the lower straps (30) shown in Fig. 4, does not contain hook material. The other end (56) of the quick release mechanism (50) is free to be connected to a headgear attachment point on the mask shell and releasably attached to an exposed portion of the hook material (54). If it is desired to use the quick-release mechanism (50), it is convenient for the patient to pull down on the loop of braided cord (52), thereby disengaging the lower strap from the mask shell and allowing the mask to then be readily removed from the patient's face. A quick-release mechanism of this configuration may be used on headgear that is fabricated of materials and in configurations that are different to those of the type described above and as such is an invention in its own right.
  • (v) Altering the stiffness and extensibility
  • The extensibility of the straps can be altered by attaching lengths of generally inextensible material (62) such as cotton or silk to the straps, as shown in Fig. 6a. The effect of this arrangement is to make the headgear less extensible along the length of the straps than in a vertical direction. In a preferred embodiment, lengths of cotton are sewn to the straps.
  • The stiffness of the straps can be altered by attaching stiffening material (64) to the top and bottom edge of the straps, as shown in Fig. 6b. Alternatively, or in addition, the strap may be stiffened by any other suitable means including by adding stitching as lines, in a criss-cross pattern, or both. This makes the headgear less "floppy" and more convenient to put on the head of a wearer.
  • The headgear can be constructed from an anisotropic material that is more extensible in a first direction than in a direction at an angle of 90 degrees to the first direction. This enables the headgear to be cut from a single piece of composite material and yet have different extensibilities in different directions. Preferably, the headgear will be more extensible in a vertical direction than in a horizontal direction. Hence the upper and lower straps will be less extensible in a direction along their length than in a direction along their width. This means that the back portion of the headgear can be more extensible in a direction from the base of the skull to the crown, than in a direction at right angles to that direction.
  • Claims (12)

    1. A headgear (10) for securing and positioning a mask suitable for the treatment of sleep disordered breathing, comprising:
      a back portion (40);
      a pair of elongated upper straps (20) extending from the back portion (40) on opposing sides of the back portion (40), the upper straps having attachment portions positioned at free ends thereof for attaching to the mask; a pair of elongated lower straps (30) extending from the back portion (40) on opposing sides of the back portion (40) the lower straps having attachment portions positioned at free ends thereof for attaching to the mask;
      characterized in that, when laid flat, each lower strap (30) comprises an angled portion that angles downward from the back portion (40) at a position near the back portion (40) to displace vertically lower a length of each lower strap (30) with respect to the back portion (40) while maintaining substantial parallelism between the upper (20) and the respective lower straps (30).
    2. The headgear according to claim 1, wherein a portion of each lower strap (30) outboard from the angled portion is lower than a lowest portion of a central region of the back portion (40).
    3. The headgear according to any one of the preceding claims, wherein the back portion (40) is arranged to engage with an occiput of a patient's head in use.
    4. The headgear according to any one of the preceding claims, wherein the back portion (40) including a top portion, a bottom portion, and a pair of side portions, the pair of side portions converging towards one another as the pair of side portions extend between the top portion and the bottom portion.
    5. The headgear according to any one of the preceding claims, wherein the back portion (40) has a generally triangular shape.
    6. The headgear according to claim 5, configured to position the base of the triangle at the crown of the head, with the apex of the triangle lying generally just above the point of contact between the skull and the muscles of the neck in use.
    7. The headgear according to any one of the preceding claims, wherein, when laid flat, a distance between the upper straps (20) and the lower straps (30) is approximately 150 mm.
    8. The headgear according to any one of the preceding claims, wherein, when laid flat, a length of the upper straps (20) and the lower straps (30) is approximately 610 mm.
    9. The headgear according to any one of the preceding claims, wherein the upper straps (20) and/or the lower straps (30) include a loop portion positioned along an external surface thereof and a hook portion (22) at a free end thereof, wherein a width of the upper and the lower straps (20, 30) along the loop portion to which the hook portion (22) releasably attaches is sufficiently wider than the hook portion (22) that when the hook portion (22) is attached to the loop portion, in use the strap shields a user's face from contact with the hook portion.
    10. The headgear according to any one of the preceding claims, wherein each lower strap includes a lower edge having a first portion at the length of the lower strap (30) substantially parallel to the upper strap (20) at a position near the back portion (40), the first portion being displaced downward relative to a lower edge of the back portion (40) .
    11. The headgear according to claim 10, wherein the lower edge of each lower strap has a second portion at the length of the strap substantially parallel with the upper strap (20) at a position remote the back portion (40), the second portion being displaced upward relative to the first portion and downward relative to a lower edge of the back portion (40).
    12. A mask comprising attachment points and a headgear according to any one of the preceding claims, wherein the end of the straps of the headgear are adapted to attach to the attachment points on the mask.
    EP10183627.8A 2000-12-12 2001-12-12 Headgear for a breathing mask Active EP2298401B1 (en)

    Priority Applications (2)

    Application Number Priority Date Filing Date Title
    US25453700P true 2000-12-12 2000-12-12
    EP01270356.7A EP1349602B1 (en) 2000-12-12 2001-12-12 Headgear

    Related Parent Applications (2)

    Application Number Title Priority Date Filing Date
    EP01270356.7A Division EP1349602B1 (en) 2000-12-12 2001-12-12 Headgear
    EP01270356.7 Division 2001-12-12

    Publications (3)

    Publication Number Publication Date
    EP2298401A2 EP2298401A2 (en) 2011-03-23
    EP2298401A3 EP2298401A3 (en) 2011-04-20
    EP2298401B1 true EP2298401B1 (en) 2015-04-08

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    Application Number Title Priority Date Filing Date
    EP01270356.7A Active EP1349602B1 (en) 2000-12-12 2001-12-12 Headgear
    EP10185039A Active EP2308536B1 (en) 2000-12-12 2001-12-12 Headgear
    EP10183627.8A Active EP2298401B1 (en) 2000-12-12 2001-12-12 Headgear for a breathing mask
    EP10185034.5A Active EP2314338B1 (en) 2000-12-12 2001-12-12 Headgear

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    EP01270356.7A Active EP1349602B1 (en) 2000-12-12 2001-12-12 Headgear
    EP10185039A Active EP2308536B1 (en) 2000-12-12 2001-12-12 Headgear

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    EP10185034.5A Active EP2314338B1 (en) 2000-12-12 2001-12-12 Headgear

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    US (6) US7188620B2 (en)
    EP (4) EP1349602B1 (en)
    AT (1) AT551090T (en)
    AU (1) AU2037502A (en)
    DE (3) DE20122943U1 (en)
    ES (2) ES2534747T3 (en)
    WO (1) WO2002047749A1 (en)

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    EP1349602A4 (en) 2006-03-22
    EP2308536A1 (en) 2011-04-13
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    US8505538B2 (en) 2013-08-13
    US20040067333A1 (en) 2004-04-08
    US20130319418A1 (en) 2013-12-05
    AT551090T (en) 2012-04-15
    EP2314338A1 (en) 2011-04-27
    EP2298401A2 (en) 2011-03-23
    WO2002047749A1 (en) 2002-06-20
    US9636476B2 (en) 2017-05-02
    US20100319688A1 (en) 2010-12-23
    EP2308536B1 (en) 2012-03-28
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    EP2298401A3 (en) 2011-04-20
    DE20122943U1 (en) 2011-05-12
    ES2442218T3 (en) 2014-02-10
    AU2037502A (en) 2002-06-24
    ES2534747T3 (en) 2015-04-28
    US20170368290A1 (en) 2017-12-28
    US20170209661A1 (en) 2017-07-27
    EP2314338B1 (en) 2017-02-01
    US7188620B2 (en) 2007-03-13
    US9962513B2 (en) 2018-05-08
    US20070169777A1 (en) 2007-07-26
    EP1349602A1 (en) 2003-10-08

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